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Whean read, 32 bits tiff image data are not scaled anymore

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So the highlights above the 1.0 upper limit will be clipped but colors
will be preserved. Fix #4379
This commit is contained in:
Hombre
2018-02-09 22:25:40 +01:00
parent 786b73b899
commit d7f7c06f10
2 changed files with 10 additions and 28 deletions
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15
rtengine/imagefloat.cc
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@@ -57,35 +57,38 @@ void Imagefloat::setScanline (int row, unsigned char* buffer, int bps, float *mi
float* sbuffer = (float*) buffer;
for (int i = 0; i < width; i++) {
r(row, i) = sbuffer[ix];
r(row, i) = 65535.f * sbuffer[ix];
if (minValue) {
if (sbuffer[ix] < minValue[0]) {
minValue[0] = sbuffer[ix];
} else if (sbuffer[ix] > maxValue[0]) {
maxValue[0] = sbuffer[ix];
} ++ix;
}
}
++ix;
g(row, i) = sbuffer[ix];
g(row, i) = 65535.f * sbuffer[ix];
if (minValue) {
if (sbuffer[ix] < minValue[1]) {
minValue[1] = sbuffer[ix];
} else if (sbuffer[ix] > maxValue[1]) {
maxValue[1] = sbuffer[ix];
} ++ix;
}
}
++ix;
b(row, i) = sbuffer[ix];
b(row, i) = 65535.f * sbuffer[ix];
if (minValue) {
if (sbuffer[ix] < minValue[2]) {
minValue[2] = sbuffer[ix];
} else if (sbuffer[ix] > maxValue[2]) {
maxValue[2] = sbuffer[ix];
} ++ix;
}
}
++ix;
}
break;